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    • 8. 发明授权
    • Cement mold-making silicone rubber composition
    • 水泥模具硅橡胶组成
    • US08044121B2
    • 2011-10-25
    • US12145984
    • 2008-06-25
    • Hiroshi MogiSusumu SekiguchiThomas Tupa
    • Hiroshi MogiSusumu SekiguchiThomas Tupa
    • C08L83/05
    • C08G77/12C08G77/20C08L83/04C08L83/00
    • A cement mold-making silicone rubber composition is provided comprising (A) 100 parts by weight of a polyorganosiloxane having at least two silicon-bonded monovalent aliphatic unsaturated hydrocarbon groups in a molecule, (B) a polyorganohydrogensiloxane having at least three silicon-bonded hydrogen atoms in a molecule, in such an amount as to provide 0.1-5 silicon-bonded hydrogen atoms per monovalent aliphatic unsaturated hydrocarbon group in component (A), (C) a platinum base compound in such an amount as to provide 1-100 ppm of platinum atoms based on the weight of component (A), (D) 5-60 parts by weight of finely divided silica having a specific surface area of at least 50 m2/g, and (E) 0.1-100 parts by weight of coal ash and/or pozzolan powder.
    • 提供一种水泥制模硅橡胶组合物,其包含(A)100重量份的在分子中具有至少两个与硅键合的一价脂族不饱和烃基的聚有机硅氧烷,(B)具有至少三个与硅键合的氢的聚有机氢硅氧烷 分子中的原子,其量使得组分(A)中的每一个脂族不饱和烃基提供0.1-5个硅键合的氢原子,(C)铂基化合物,其量可提供1-100ppm 的铂原子,基于组分(A)的重量,(D)5-60重量份比表面积为至少50m 2 / g的细碎二氧化硅,和(E)0.1-100重量份的 煤灰和/或火山灰粉末。